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usb: gadget: fix few outdated comments 

Fix comments in code to make them up to date.

composite: claiming endpoint is now done by setting ep->claimed flag,
not ep->driver_data.

epautoconf: usb_ep_autoconfig() and usb_ep_autoconfig_ss() return
claimed endpoint with ep->claimed flag already set.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Robert Baldyga 2015-09-16 12:10:39 +02:00 committed by Felipe Balbi
parent 04c4d8d4d5
commit f871cb9b2e
2 changed files with 5 additions and 7 deletions
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4
drivers/usb/gadget/composite.c
View File

@ -839,9 +839,7 @@ int usb_add_config(struct usb_composite_dev *cdev,
}
}
/* set_alt(), or next bind(), sets up
* ep->driver_data as needed.
*/
/* set_alt(), or next bind(), sets up ep->claimed as needed */
usb_ep_autoconfig_reset(cdev->gadget);
done:

8
drivers/usb/gadget/epautoconf.c
View File

@ -53,13 +53,13 @@
* the restrictions that may apply. Some combinations of driver
* and hardware won't be able to autoconfigure.
*
* On success, this returns an un-claimed usb_ep, and modifies the endpoint
* On success, this returns an claimed usb_ep, and modifies the endpoint
* descriptor bEndpointAddress. For bulk endpoints, the wMaxPacket value
* is initialized as if the endpoint were used at full speed and
* the bmAttribute field in the ep companion descriptor is
* updated with the assigned number of streams if it is
* different from the original value. To prevent the endpoint
* from being returned by a later autoconfig call, claim it by
* from being returned by a later autoconfig call, claims it by
* assigning ep->claimed to true.
*
* On failure, this returns a null endpoint descriptor.
@ -154,10 +154,10 @@ EXPORT_SYMBOL_GPL(usb_ep_autoconfig_ss);
* USB controller, and it can't know all the restrictions that may apply.
* Some combinations of driver and hardware won't be able to autoconfigure.
*
* On success, this returns an un-claimed usb_ep, and modifies the endpoint
* On success, this returns an claimed usb_ep, and modifies the endpoint
* descriptor bEndpointAddress. For bulk endpoints, the wMaxPacket value
* is initialized as if the endpoint were used at full speed. To prevent
* the endpoint from being returned by a later autoconfig call, claim it
* the endpoint from being returned by a later autoconfig call, claims it
* by assigning ep->claimed to true.
*
* On failure, this returns a null endpoint descriptor.